19. Browser based web map design studio Changes to map styles are visible immediately, not after a test run Pan and zoom the map like any other slippy map to see scale dependent changes Multiple data source options like PostGIS, GeoJSON, shapefile, KML, GeoTIFF, SQLite
20. Easily set tile export extent Tile Exports Adjust zoom levels to export and view immediate change in tile count No more accidental 4 million tile jobs
21. TileMill Exports = MBTiles file Tiles are stored in a single file, not thousands (or millions), making them much more portable MBTiles files are simple SQLite databases
23. Feature Selection var marker = new L.Marker( new L.LatLng( 39.74, -104.98 ), { icon: new Foss4gIcon() } ); marker.bindPopup( “<h2>The Conference</h2>....” );
24. Feature Selection map.on( “click”, handleMapClick ); function handleMapClick ( event ) { var lat = event.latlng.lat; var lng = event.latlng.lng; $.getJSON( “select?lat=” + lat + “&lon=” + lng + “&zoom=” + map.getZoom(), handleResponse ); } function handleResponse ( data /* GeoJSON FeatureCollection */ ) { // Pass GeoJSON Feature(s) to instance of L.GeoJSON (GeoJSON layer) to create markers or lines // Populate Information panel with feature type/name and appropriate image (fork and knife) }